/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/Nodes/RigVMLibraryNode.h
virtual bool Contains ( [URigVMLibraryNode](API\Plugins\RigVMDeveloper\RigVMModel\Nodes\URigVMLibraryNode) * InContainedNode, bool bRecursive ) const